Journal ArticleDOI
Cytotoxic effects of silver nanoparticles on Ruellia tuberosa: Photocatalytic degradation properties against crystal violet and coomassie brilliant blue
Vasantharaj Seerangaraj,Selvam Sathiyavimal,Sripriya Nannu Shankar,Jaya Ganesh Thiruvengadam Nandagopal,Pannerselvam Balashanmugam,Fahad A. Al-Misned,M. Shanmugavel,P. Senthilkumar,Arivalagan Pugazhendhi +8 more
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In this article, the authors used Ruellia tuberosa leaf extract to synthesize silver nanoparticles (AgNPs) using FT-IR, FT-visible spectroscopy, FESEM, EDAX, TEM, SAED and DLS analyses.Abstract:
In the last few decades, nanotechnology-based approaches are emerging in biomedical and environmental applications, which include antimicrobial, anticancer, and photocatalytic applications. Green synthesis is advantageous than the conventional methods since it is environmentally friendly, economically viable and convenient to scale up for commercial production. The present study is aimed to synthesize silver nanoparticles (AgNPs) using Ruellia tuberosa leaf extract. AgNPs was analyzed using UV–visible spectroscopy, FT-IR, FESEM, EDAX, TEM, SAED and DLS analyses.SPR absorbance spectrum of the AgNPs was witnessed at 455 nm. Morphological characterization using AgNPs using FE-SEM with EDX, TEM with SAED and DLS analysis showed that the nanoparticles are in spherical shape with an average size of 55.65 nm. Further, antimicrobial activity of the green fabricated AgNPs was tested against Gram negative and Gram positive bacterial pathogens, which exhibited potential bactericidal activity. Also, the cytotoxic activity of AgNPs in A549 lung cancer cell line showed activity at the IC50 of 68 μg/mL as revealed by MTT assay. Further, apoptosis of A549 cells treated with AgNPs were analyzed by fluorescence microscopy. The photocatalytic degradation of AgNPs was assessed against crystal violet (CV) and Coomassie brilliant blue (CBB). Above-mentioned findings clearly demonstrate that AgNPs exhibited photocatalytic degradation and biomedical application.read more
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Biogenic and eco-benign synthesis of silver nanoparticles using jujube core extract and its performance in catalytic and pharmaceutical applications: Removal of industrial contaminants and in-vitro antibacterial and anticancer activities
Ali Naghizadeh,Zirar M. Mizwari,Seyedeh Masoumeh Ghoreishi,Sajad Lashgari,Sobhan Mortazavi-Derazkola,Behnaz Rezaie +5 more
TL;DR: In this article, a facile, rapid, eco-friendly and cost-effective method was used to green synthesis of silver nanoparticles using jujube core extract (AgNPs-JCE) and then used as antibacterial, anticancer and catalytic agents.
Journal ArticleDOI
Silver nanoparticles for enhanced dye degradation
Deepak Gola,Anu kriti,Neha Bhatt,Medha Bajpai,Astha Singh,Arvind Arya,Nitin Chauhan,Sunil Kumar Srivastava,Pankaj Tyagi,Yamini Agrawal +9 more
TL;DR: In this article, the degradation potential of CH-AgNPs in the presence of a mixture of dye was investigated using trisodium citrate solution and showed that up to 100% degradation was obtained from blue dye, however the degradation of orange dye has shown 97.4% degradation.
Journal ArticleDOI
Anti-oxidant, anti-fungal and cytotoxic effects of silver nanoparticles synthesized using marine fungus Cladosporium halotolerans
TL;DR: In this paper, an easy and greener method for the preparation of silver nanoparticles (AgNPs) using fungal extract and investigate their antioxidant (DPPH), antifungal (Aspergillus niger) and cytotoxic effect against human breast cancer cell line MCF-7.
Journal ArticleDOI
Green Synthesis of Metal and Metal Oxide Nanoparticles Using Different Plants’ Parts for Antimicrobial Activity and Anticancer Activity: A Review Article
Aysha Bukhari,Irfan Ijaz,Ezaz Gilani,Ammara Nazir,Hina Zain,Ramsha Saeed,Saleh S. Alarfaji,Sajjad Hussain,Rizwana Aftab,Yasra Naseer +9 more
TL;DR: In this article, the basic principles or mechanisms of green synthesis especially for metal or metal oxide (i.e., ZnO, Au, Ag, and TiO2, Fe, Fe2O3, Cu, CuO, Co) nanoparticles are summarized.
Journal ArticleDOI
Eco-friendly biosynthesis metallic silver nanoparticles using Aegle marmelos (Indian bael) and its clinical and environmental applications
Gattu Sampath,Muthusamy Govarthanan,Neelamegam Rameshkumar,Dai-Viet N. Vo,Muthukalingan Krishnan,Palaniappan Sivasankar,Nagarajan Kayalvizhi +6 more
TL;DR: In this article, the authors examined the biological synthesis of silver nanoparticles (AgNPs) by Aegle marmelos aqueous leaf extract (Am), and the structure, composition and the size of the AgNPs identified by X-ray crystallography (XRD), scanning electron microscopy (SEM), zetapotential, atomic force microscopy(AFM), energy dispersive Xray diffraction (EDAX), Fourier transfer infrared spectroscopy (FT-IR), and Ultraviolet-Visible (UV-vis) absorption spect
References
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The bactericidal effect of silver nanoparticles
Jose Ruben Morones,Jose Luis Elechiguerra,A. Camacho,Katherine B. Holt,Juan B. Kouri,Jose Tapia Ramirez,Miguel Jose Yacaman +6 more
TL;DR: The results indicate that the bactericidal properties of the nanoparticles are size dependent, since the only nanoparticles that present a direct interaction with the bacteria preferentially have a diameter of approximately 1-10 nm.
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Extracellular biosynthesis of silver nanoparticles using the fungus Fusarium oxysporum
Absar Ahmad,Priyabrata Mukherjee,Satyajyoti Senapati,Deendayal Mandal,M. Islam Khan,Rajiv Kumar,Murali Sastry +6 more
TL;DR: It is observed that aqueous silver ions when exposed to the fungus Fusarium oxysporum are reduced in solution, thereby leading to the formation of an extremely stable silver hydrosol, creating the possibility of developing a rational, fungal-based method for the synthesis of nanomaterials over a range of chemical compositions, which is currently not possible by other microbe-based methods.
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Photochemistry on nonreactive and reactive (semiconductor) surfaces
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Cinnamon zeylanicum bark extract and powder mediated green synthesis of nano-crystalline silver particles and its bactericidal activity.
Muthuswamy Sathishkumar,Krishnamurthy Sneha,Sung Wook Won,Chul-Woong Cho,Seo-Young Kim,Yeoung-Sang Yun +5 more
TL;DR: The bark extract and powder of novel Cinnamon zeylanicum are a good bio-resource/biomaterial for the synthesis of Ag nanoparticles with antimicrobial activity and the surface charge of the formed nanoparticles was highly negative.
Journal ArticleDOI
Antifungal activity of silver nanoparticles against Candida spp.
Aleš Panáček,Milan Kolář,Renata Večeřová,Robert Prucek,Jana Soukupova,Vladimír Kryštof,Petr Hamal,Radek Zbořil,Libor Kvítek +8 more
TL;DR: The antifungal activity of the silver nanoparticles (NPs) prepared by the modified Tollens process was evaluated for pathogenic Candida spp.